Emerging interaction patterns in the Emiliania huxleyi-EhV system

Eliana Ruiz*, Monique Oosterhof, Ruth Anne Sandaa, Aud Larsen, António Pagarete

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)


Viruses are thought to be fundamental in driving microbial diversity in the oceanic planktonic realm. That role and associated emerging infection patterns remain particularly elusive for eukaryotic phytoplankton and their viruses. Here we used a vast number of strains from the model system Emiliania huxleyi/Emiliania huxleyi Virus to quantify parameters such as growth rate (µ), resistance (R), and viral production (Vp) capacities. Algal and viral abundances were monitored by flow cytometry during 72-h incubation experiments. The results pointed out higher viral production capacity in generalist EhV strains, and the virus-host infection network showed a strong co-evolution pattern between E. huxleyi and EhV populations. The existence of a trade-off between resistance and growth capacities was not confirmed.

Original languageEnglish
Article number61
Number of pages14
Issue number3
Publication statusPublished - 2017


  • Algae virus
  • Coccolithophore
  • Coccolithovirus
  • Cost of resistance
  • Haptophyta
  • Infectivity trade-offs
  • Killing-the-winner
  • Marine viral ecology
  • Phycodnaviridae
  • Viral-host interactions


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